keel.Algorithms.Statistical_Classifiers.Logistic.core.matrix

Class FlexibleDecimalFormat

java.lang.Object

java.text.Format

java.text.NumberFormat

java.text.DecimalFormat

keel.Algorithms.Statistical_Classifiers.Logistic.core.matrix.FlexibleDecimalFormat

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class FlexibleDecimalFormat
extends java.text.DecimalFormat

FlexibleDecimalFormat is a concrete subclass of DecimalFormat that formats decimal numbers in a more flexible way. It has a variety of features designed to make it possible to parse and format numbers in any locale, including support for Western, Arabic, and Indic digits.

Version:

$Revision: 1.1 $

Author:

Yong Wang

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.text.NumberFormat

java.text.NumberFormat.Field

Field Summary

Fields inherited from class java.text.NumberFormat

FRACTION_FIELD, INTEGER_FIELD

Constructor Summary

Constructors

Constructor and Description
FlexibleDecimalFormat() Default constructor.
FlexibleDecimalFormat(double d) Constructor.
FlexibleDecimalFormat(int digits) Constructor.
FlexibleDecimalFormat(int digits, boolean trailing) Constructor.
FlexibleDecimalFormat(int digits, boolean exp, boolean trailing, boolean grouping) Constructor.

Method Summary

Modifier and Type	Method and Description
java.lang.StringBuffer	format(double number, java.lang.StringBuffer toAppendTo, java.text.FieldPosition pos)
java.lang.StringBuffer	formatString(java.lang.String str) Formats a double to produce a string.
void	grouping(boolean grouping) Sets the grouping flag with the value given.
boolean	needExponentialFormat(double d) Checks if the given number needs a ExponentialFormat.
void	update(double d) Updates the format of the FlexibleDecimalFormat by parsering a number given.
int	width() Returns the width of the flexible decimal numbers format.

Methods inherited from class java.text.DecimalFormat

applyLocalizedPattern, applyPattern, clone, equals, format, format, formatToCharacterIterator, getCurrency, getDecimalFormatSymbols, getGroupingSize, getMaximumFractionDigits, getMaximumIntegerDigits, getMinimumFractionDigits, getMinimumIntegerDigits, getMultiplier, getNegativePrefix, getNegativeSuffix, getPositivePrefix, getPositiveSuffix, getRoundingMode, hashCode, isDecimalSeparatorAlwaysShown, isParseBigDecimal, parse, setCurrency, setDecimalFormatSymbols, setDecimalSeparatorAlwaysShown, setGroupingSize, setGroupingUsed, setMaximumFractionDigits, setMaximumIntegerDigits, setMinimumFractionDigits, setMinimumIntegerDigits, setMultiplier, setNegativePrefix, setNegativeSuffix, setParseBigDecimal, setPositivePrefix, setPositiveSuffix, setRoundingMode, toLocalizedPattern, toPattern

Methods inherited from class java.text.NumberFormat

format, format, getAvailableLocales, getCurrencyInstance, getCurrencyInstance, getInstance, getInstance, getIntegerInstance, getIntegerInstance, getNumberInstance, getNumberInstance, getPercentInstance, getPercentInstance, isGroupingUsed, isParseIntegerOnly, parse, parseObject, setParseIntegerOnly

Methods inherited from class java.text.Format

format, parseObject

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FlexibleDecimalFormat

public FlexibleDecimalFormat()

Default constructor. Creates a FlexibleDecimalFormat with 5 digits.

FlexibleDecimalFormat

public FlexibleDecimalFormat(int digits)

Constructor. Creates a FlexibleDecimalFormat with the number of digits given.

Parameters:

digits - number of digits given

FlexibleDecimalFormat

public FlexibleDecimalFormat(int digits,
                             boolean trailing)

Constructor. Creates a FlexibleDecimalFormat with the number of digits and trailing flag given.

Parameters:

digits - number of digits given

trailing - trailing flag given.

FlexibleDecimalFormat

public FlexibleDecimalFormat(int digits,
                             boolean exp,
                             boolean trailing,
                             boolean grouping)

Constructor. Creates a FlexibleDecimalFormat with the given arguments.

Parameters:

digits - given base size.

exp - given exponent size.

grouping - given grouping flag.

trailing - given trailing flag.

FlexibleDecimalFormat

public FlexibleDecimalFormat(double d)

Constructor. Creates a FlexibleDecimalFormat by parsering a number given.

Parameters:

d - number given.

Method Detail

update

public void update(double d)

Updates the format of the FlexibleDecimalFormat by parsering a number given.

Parameters:

d - given number.

needExponentialFormat

public boolean needExponentialFormat(double d)

Checks if the given number needs a ExponentialFormat.

Parameters:

d - given number.

Returns:

True if the given number needs a ExponentialFormat, false otherwise.

grouping

public void grouping(boolean grouping)

Sets the grouping flag with the value given.

Parameters:

grouping - grouping flag value to be set.

format

public java.lang.StringBuffer format(double number,
                                     java.lang.StringBuffer toAppendTo,
                                     java.text.FieldPosition pos)

Overrides:

format in class java.text.DecimalFormat

width

public int width()

Returns the width of the flexible decimal numbers format.

Returns:

the width of the flexible decimal numbers format.

formatString

public java.lang.StringBuffer formatString(java.lang.String str)

Formats a double to produce a string.

Parameters:

str - string given.

Returns:

The formatted number string